Mark 2:22-25

22 And no man puts new wine into old bottles: else the new wine does burst the bottles, and the wine is spilled, and the bottles will be marred: but new wine must be put into new bottles.

23 And it came to pass, that he went through the corn fields on the sabbath day; and his disciples began, as they went, to pluck the ears of corn.

24 And the Pharisees said to him, Behold, why do they on the sabbath day that which is not lawful?

25 And he said to them, Have you never read what David did, when he had need, and was an hungered, he, and they that were with him?